As the largest sporting participatory event in Northern Ireland, Deep RiverRock Belfast City Marathon attracts entrants from all over the globe.

Launched in 1982 with 3025 entrants, the event takes place on May Day each year, now bringing over 17,000 people to Belfast.
The event starts at Belfast City Hall and finishes at Ormeau Park with runners lining the streets of the North, South, East and West of the City.
Whether you're a marathon athlete, keen walker, fundraiser, interested in athletics at school or simply love a challenge, there is an event to suit you on Bank Holiday Monday, 7 May 2018.
Entries are now closed for this event. Everyone is welcome to come out and support the runners on the day - you could be joining approximately 50,000 supporters around Belfast this May Day!
Details of the route, traffic updates and road closures can be found in the coming weeks at
Mon, 07 May 2018
location_on Belfast City Hall

Belfast City Hall

One of Belfast's most iconic buildings, Belfast City Hall first opened its doors in August 1906 and is Belfast's civic building.

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Upcoming events at Belfast City Hall

Various locations
Thu, 12 Jul

Orangefest - Twelfth of July Celebrations

Join thousands of people as they celebrate The Twelfth, the biggest annual festival in Northern Ireland.

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Sat, 28 Apr

Lord Mayor's Day 2018

Join Belfast’s Lord Mayor Nuala McAllister as she hosts a free family fun day to celebrate both her year in office and our amazing city.

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24-28 May

Belfast Spring Continental Market

The Spring Continental Market returns to Belfast City Hall Gardens 24-28 May, with a delicious mix of gourmet treats from across the globe.

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